Selecting the site timezone would trigger the Chosen plugin logic, but
the widget would make the page "jump".

Make sure taxonomy translations are enabled by default, and translations
imported. Do the same for the next update.

The latest version of Chosen introduces a bug. Correct it here without
patching it.

In some cases, on hook_init(), Revisioning hasn't registered its
permissions yet, which triggers a PDO exception. Use hook_exit()
instead, so we know that the cache was correctly rebuild before our
function call.